@article {Irmscher1990,
	title = {Altbulgarische Texte als indispensable Quellen der Byzantinistik},
	journal = {Palaeobulgarica / Старобългаристика},
	volume = {14},
	year = {1990},
	pages = {3{\textendash}6},
	author = {Irmscher, Johannes}
}
